#include "texture_editor_plugin.h"

#include "io/resource_loader.h"
#include "globals.h"
#include "editor/editor_settings.h"

void TextureEditor::_input_event(InputEvent p_event) {


}

void TextureEditor::_notification(int p_what) {

	if (p_what==NOTIFICATION_FIXED_PROCESS) {

	}


	if (p_what==NOTIFICATION_READY) {

		//get_scene()->connect("node_removed",this,"_node_removed");

	}

	if (p_what==NOTIFICATION_DRAW) {


		Ref<Texture> checkerboard = get_icon("Checkerboard","EditorIcons");
		Size2 size = get_size();

		draw_texture_rect(checkerboard,Rect2(Point2(),size),true);

		int tex_width = texture->get_width() * size.height / texture ->get_height();
		int tex_height = size.height;

		if (tex_width>size.width) {
			tex_width=size.width;
			tex_height=texture->get_height() * tex_width / texture->get_width();
		}

		int ofs_x = (size.width - tex_width)/2;
		int ofs_y = (size.height - tex_height)/2;

		draw_texture_rect(texture,Rect2(ofs_x,ofs_y,tex_width,tex_height));

		Ref<Font> font = get_font("font","Label");

		String format;
		if (texture->cast_to<ImageTexture>()) {
			format = Image::get_format_name(texture->cast_to<ImageTexture>()->get_format());
		} else {
			format=texture->get_type();
		}
		String text = itos(texture->get_width())+"x"+itos(texture->get_height())+" "+format;

		Size2 rect = font->get_string_size(text);

		Vector2 draw_from = size-rect+Size2(-2,font->get_ascent()-2);
		if (draw_from.x<0)
			draw_from.x=0;

		draw_string(font,draw_from+Vector2(2,2),text,Color(0,0,0,0.5),size.width);
		draw_string(font,draw_from-Vector2(2,2),text,Color(0,0,0,0.5),size.width);
		draw_string(font,draw_from,text,Color(1,1,1,1),size.width);
	}
}



void TextureEditor::edit(Ref<Texture> p_texture) {

	texture=p_texture;

	if (!texture.is_null())
		update();
	else {

		hide();
	}

}



void TextureEditor::_bind_methods() {

	ObjectTypeDB::bind_method(_MD("_input_event"),&TextureEditor::_input_event);

}

TextureEditor::TextureEditor() {

	set_custom_minimum_size(Size2(1,150));

}


void TextureEditorPlugin::edit(Object *p_object) {

	Texture * s = p_object->cast_to<Texture>();
	if (!s)
		return;

	texture_editor->edit(Ref<Texture>(s));
}

bool TextureEditorPlugin::handles(Object *p_object) const {

	return p_object->is_type("Texture");
}

void TextureEditorPlugin::make_visible(bool p_visible) {

	if (p_visible) {
		texture_editor->show();
//		texture_editor->set_process(true);
	} else {

		texture_editor->hide();
//		texture_editor->set_process(false);
	}

}

TextureEditorPlugin::TextureEditorPlugin(EditorNode *p_node) {

	editor=p_node;
	texture_editor = memnew( TextureEditor );
	add_control_to_container(CONTAINER_PROPERTY_EDITOR_BOTTOM,texture_editor);
	texture_editor->hide();



}


TextureEditorPlugin::~TextureEditorPlugin()
{
}